diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt index 2c2eee206736..4498292b833d 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.txt +++ b/Documentation/devicetree/bindings/arm/amlogic.txt @@ -57,6 +57,10 @@ Boards with the Amlogic Meson AXG A113D SoC shall have the following properties: Required root node property: compatible: "amlogic,a113d", "amlogic,meson-axg"; +Boards with the Amlogic Meson G12A S905D2 SoC shall have the following properties: + Required root node property: + compatible: "amlogic,g12a"; + Board compatible values (alphabetically, grouped by SoC): - "geniatech,atv1200" (Meson6) @@ -102,6 +106,8 @@ Board compatible values (alphabetically, grouped by SoC): - "amlogic,s400" (Meson axg a113d) + - "amlogic,u200" (Meson g12a s905d2) + Amlogic Meson Firmware registers Interface ------------------------------------------ diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile index a97c0e2d7bc6..c31f29d660de 100644 --- a/arch/arm64/boot/dts/amlogic/Makefile +++ b/arch/arm64/boot/dts/amlogic/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb +dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts new file mode 100644 index 000000000000..c44dbdddf2cf --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Amlogic, Inc. All rights reserved. + */ + +/dts-v1/; + +#include "meson-g12a.dtsi" + +/ { + compatible = "amlogic,u200", "amlogic,g12a"; + model = "Amlogic Meson G12A U200 Development Board"; + + aliases { + serial0 = &uart_AO; + }; + chosen { + stdout-path = "serial0:115200n8"; + }; + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x40000000>; + }; +}; + +&uart_AO { + status = "okay"; +}; + diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi new file mode 100644 index 000000000000..3b82a975c663 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Amlogic, Inc. All rights reserved. + */ + +#include +#include +#include + +/ { + compatible = "amlogic,g12a"; + + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <0x2>; + #size-cells = <0x0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x0>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x1>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x2>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x3>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + l2: l2-cache0 { + compatible = "cache"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 3 MiB reserved for ARM Trusted Firmware (BL31) */ + secmon_reserved: secmon@5000000 { + reg = <0x0 0x05000000 0x0 0x300000>; + no-map; + }; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + periphs: periphs@ff634000 { + compatible = "simple-bus"; + reg = <0x0 0xff634000 0x0 0x2000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xff634000 0x0 0x2000>; + }; + + hiubus: bus@ff63c000 { + compatible = "simple-bus"; + reg = <0x0 0xff63c000 0x0 0x1c00>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xff63c000 0x0 0x1c00>; + }; + + aobus: bus@ff800000 { + compatible = "simple-bus"; + reg = <0x0 0xff800000 0x0 0x100000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>; + + uart_AO: serial@3000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart"; + reg = <0x0 0x3000 0x0 0x18>; + interrupts = ; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + + uart_AO_B: serial@4000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart"; + reg = <0x0 0x4000 0x0 0x18>; + interrupts = ; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + }; + + gic: interrupt-controller@ffc01000 { + compatible = "arm,gic-400"; + reg = <0x0 0xffc01000 0 0x1000>, + <0x0 0xffc02000 0 0x2000>, + <0x0 0xffc04000 0 0x2000>, + <0x0 0xffc06000 0 0x2000>; + interrupt-controller; + interrupts = ; + #interrupt-cells = <3>; + #address-cells = <0>; + }; + + cbus: bus@ffd00000 { + compatible = "simple-bus"; + reg = <0x0 0xffd00000 0x0 0x25000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xffd00000 0x0 0x25000>; + }; + + apb: apb@ffe00000 { + compatible = "simple-bus"; + reg = <0x0 0xffe00000 0x0 0x200000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x200000>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + xtal: xtal-clk { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "xtal"; + #clock-cells = <0>; + }; + +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index 98cbba6809ca..1ade7e486828 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -390,7 +390,7 @@ }; }; - spi_pins: spi { + spi_pins: spi-pins { mux { groups = "spi_miso", "spi_mosi", diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index c87a80e9bcc6..8f0bb3c44bd6 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -337,7 +337,7 @@ }; }; - spi_pins: spi { + spi_pins: spi-pins { mux { groups = "spi_miso", "spi_mosi",